USD/KRW Historical Replay: 2008-10 to 2009-01
Replay the 2008 USD/KRW crisis across 64 daily bars, where a 17.8% max drawdown and a 9.6% single-day surge reshaped the Korean won. Step through each session, face 11 decision points, and receive AI coach feedback on your simulated choices.
64 daily bars · 11 decision points · 2008-10 to 2009-01 · Forex
Key facts
This window spans 90 days with a peak-to-trough drawdown of 17.8% and a 24.7% run-up.
- Max drawdown
- −17.8%
- Max run-up
- +24.7%
- Duration
- 90 days
- Largest single-day move
- −9.6%
- Bars
- 64 Daily bars
- Decision points
- 11
Every figure above is computed programmatically from this replay’s own candle series — no editorial input, no LLM. Methodology: Methodology
The market advances day by day. You only see candles up to the current day — as if you were really there.
At key decision points choose Buy / Trim / Exit / Hold. Each decision advances the timeline by one day.
After settlement you get a six-dimension score and an AI coach review. Your result enters the scenario leaderboard.
Event Replay
What happened — and what it teaches
The USD/KRW forex pair entered October 2008 as the global financial crisis accelerated, with emerging-market currencies facing unprecedented speculative pressure. Over 64 daily bars spanning 2008-10-07 to 2009-01-05, participants navigate the sharpest KRW volatility in recent memory, confronting decisions that could define portfolio outcomes during a systemic shock. The scenario recreates authentic market conditions where every session brings fresh uncertainty about intervention, capital flows, and risk appetite. Traders must assess when to hold positions, when to hedge, and when to exit amid information overload and rapid sentiment shifts. The stakes extend beyond individual trades to fundamental questions about position sizing and exposure management during a once-in-a-generation crisis.
The closing rate shifted from 1397.6 to 1307.8, a net decline of -6.4% for the dollar against the won, yet this headline figure obscures far wilder intra-period swings. The maximum drawdown reached 17.8%, while the largest single-bar move hit 9.6%, reflecting the panic-driven trading that characterized this era. These figures illustrate how average metrics can mislead—surviving the full period required enduring periods far worse than the final outcome suggested. The market oscillated between risk-off liquidation and brief relief rallies, with 11 decision points punctuating the timeline, of which 4 proved critical junctures where positioning decisions had outsized consequences. Participants who simply held static positions experienced the full force of this volatility.
This replay hones the ability to act under sustained uncertainty rather than merely analyzing history after the fact. The sequence of 11 decision points forces continuous reassessment of risk exposure and conviction levels, mirroring the genuine cognitive load traders face. Managing through a 17.8% drawdown without abandoning a sound process tests psychological resilience, while recognizing when the largest single-bar moves signal regime changes rather than noise sharpens pattern recognition. The scenario teaches that survival in crisis markets depends less on predicting direction than on building robust decision frameworks that perform across different market phases. Completing this replay equips participants with hardened intuitions for navigating future episodes of currency volatility.
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